Sienna Hills Real Estate

Sienna Hills Listings Summary

Sienna Hills - Town vs. County Stats

Avg Price in Sienna Hills: $421,700 / County Avg $1,060,800

40%

Avg Sq. Ft. in Sienna Hills: 700 / County Avg 1,973

35%

Avg Price per/sqft in Sienna Hills:$603 / County Avg $538

112%

Avg Year Built in Sienna Hills: 1989 / County Avg 1979

100%

Avg Days on Website in Sienna Hills: 25 / County Avg 65

38%

Sienna Hills Real Estate Market Health

New Listings

Reductions

Foreclosures

Short Sales

Berkshire Hathaway HomeServices Drysdale Properties - Castro Valley

3811 E. Castro Valley Blvd.
Castro Valley, CA 94552

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MLS® Disclaimer

Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at September 13, 2026 11:44 PM UTC Show More...

This information, including square footage, while not guaranteed, has been acquired from sources believed to be reliable. Listings on this page identified as belonging to another listing firm are based upon data obtained from the SFAR MLS, which data is copyrighted by the San Francisco Association of REALTORS©, but is not warranted.